This is a PHYSICAL set of 13 stamps. 

Stamps:

• Naked Chick:  2.6" x 1.5"
• Chick with Gift:  3.13" x 1.9"
• Hatching Chick:  2.9" x 2"
• Loopy Bow:  1 1/8" x 1 1/8"
• Bowtie: 3/4" x 3/8"
• Bowtie with tails:  3/4" x 5/8"

Sentiments:

• Congratulations   2 1/4" long
• Welcome, Little One.   1 3/8" long
• Happy Mother's Day   1 7/8" long
• Happy Mother's Day   2 5/8" long
• To my favorite chick!    2 7/8" long
• Happy Birthday    2 1/2" long
• Thank you   1 3/4" long

NOTE: Measurements are nearest to the next increment.  The smaller items you are only given the larger measurement of either width or height.